
public class IrregilarArray {
    public static void main(String[] args) {
        int arr[][] = new int[2][];
        arr[0] = new int[] {1,2,3,4,5};
        arr[1] = new int[] {1,2,3};
        for (int row[] : arr){
            for (int value : row){
                System.out.printf("%2d",value);
            }
            System.out.println();
        }
    }
}